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An intelligent ultrasonic inspection system for flooded member detection in offshore structures

机译:用于海上结构中溢流构件检测的智能超声波检查系统

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摘要

An ultrasonic system for automatic underwater inspection of steel jacket offshore installation is described. It is based on the unambiguous detection of water ingress in normally sealed tubular members, thereby providing an indication of through-wall structural failure. A novel transducer design, based on a dual frequency array of 1-3 connectivity thickness drive transducers, is used to provide the required sensitivity and act also as an environmental monitor for input to an expert system, which performs automatic data analysis. Although intended primarily for operation on a remotely operated vehicle, the system may be employed satisfactorily by a driver. A series of test trials is described, and the prototype is shown to perform very well for all intended modes of operation.
机译:描述了一种用于自动水下检查钢套海上安装的超声系统。它基于对正常密封的管状构件中进水的明确检测,从而提供了贯穿墙结构故障的指示。一种新颖的换能器设计基于1-3个连接厚度驱动换能器的双频阵列,用于提供所需的灵敏度,还可以用作环境监测器,以输入到执行自动数据分析的专家系统。尽管主要用于遥控车辆上的操作,但是驾驶员可以令人满意地使用该系统。描述了一系列测试试验,并显示了该原型在所有预期的操作模式下均具有很好的性能。

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